JP2910824B2 - Connection structure of sandwich panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting sandwich panels, and more particularly, for example, a large refrigerated / frozen warehouse installed outdoors, an equipment storage warehouse, a building exterior panel, and a building interior. The present invention relates to a connection structure of a sandwich panel used as a partition panel or a panel for a clean room.

[0002]

2. Description of the Related Art As a conventional sandwich panel of this kind, for example, a technique described in Japanese Patent Application Laid-Open No. 1-290868 or Japanese Patent Application Laid-Open No. 2-27963 is known. The technology described in these publications fills a heat insulating core material between a pair of surface plates, forms side and side portions of the surface plate to form a concave ridge and a convex ridge that can be engaged with each other, and adjacent to each other. The panel has a structure in which the concave ridge and the convex ridge are fitted and connected in the left-right direction or the up-down direction.

[0003]

However, in the conventional connecting structure of this kind, the positioning of the fitting between the concave ridge and the convex ridge is troublesome. However, there is a problem that the bent portion of the edge portion of the surface plate is crushed, and conversely, a weak force causes a large gap between the two panels, thereby lowering the strength of the connecting portion.

[0004] In order to solve this problem, it is conceivable to provide a concave and a convex which are snap-engaged with each other on the engaging surface of the concave and the convex. In the case where the ridges and the ridges are provided, there is a problem that the alignment between the ridges and the ridges is troublesome, and a large force is required when connecting both panels.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a sandwich panel connection structure that facilitates positioning when connecting panels and enables reliable connection. It is.

[0006]

In order to achieve the above object, a sandwich panel connecting structure according to the present invention is characterized in that a heat insulating core material is filled between a pair of surface plates on both side edges of a panel body. In a sandwich panel connecting structure in which a concave ridge and a convex ridge are formed by bending, and the concave ridge and the convex ridge of adjacent panels are fitted to each other, the concave ridge and the convex ridge are provided. In one of the side contact surfaces, an engaging recess is provided, and on the other side, a locking protrusion engaging with the engaging recess is provided at an appropriate interval, and the engaging protrusion is provided with the recess of the adjacent panel. The present invention is characterized in that both the panels are connected by fitting the ridges and engaging the engaging ridges with the locking projections (claim 1).

[0007] In the present invention, as long as the locking projection is provided at a position where it engages with the engaging recess at an appropriate interval, its attaching form may be arbitrary, but preferably the recess is provided with the recess. An engaging recess is provided at a position where the side contact surface of the protruding portion coincides, and a locking projection that engages with the other engaging recess is fitted within one engaging recess at an appropriate interval. It is better (claim 2).

[0008] Further, the attachment form of the locking projection may be, for example, an adhesive.
The locking head that engages with the engaging concave ridge and the leg that is driven into the concave ridge or convex ridge of the surface plate are integrally formed, and the leg is formed by the concave ridge or convex of the surface plate. It is better to drive into the ridge (claim 3).

[0009]

According to the present invention, one of the lateral contact surfaces of the concave ridge and the convex ridge provided on the side edge of the panel body is
An engaging recess is provided, and a locking protrusion engaging with the engaging recess is provided at an appropriate interval on the other side, so that the recess and the protruding portion of the adjacent panel are fitted and engaged. The groove and the locking projection can be engaged, and the positioning of both panels can be ensured. Further, the force required for connecting the two panels can be reduced (claim 1).

[0010] An engagement recess is provided at a position where the side contact surfaces of the recess and the projection coincide with each other, and one of the engagement recesses is engaged with the other engagement recess. By attaching the locking projections at appropriate intervals, it is possible to easily and reliably mount the locking projections. In this case, the locking protrusion is formed integrally with the locking head that engages with the engaging concave ridge and the leg that is driven into the concave ridge or the convex ridge of the surface plate. Can be inserted into the concave or convex ridges of the surface plate and attached (claim 3).

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

First Embodiment As shown in FIG. 1, a sandwich panel 1 (hereinafter referred to as a panel) according to the present invention has a panel body 5 in which a heat insulating core material 4 is filled between a pair of surface plates 2 and 3. A concave ridge portion 6 provided on one side edge of the panel main body 5 and a convex ridge portion 7 provided on the other side edge of the panel main body 5 and capable of fitting with the concave ridge portion 6 of an adjacent panel. Have been. In this case, the surface plates 2 and 3 are formed of, for example, an aluminum alloy plate or a color steel plate having fire resistance, waterproofness, and nonflammability. The heat insulating core material 4 is formed of, for example, a polyisocyanurate foam, a phenol foam, a polyurethane foam, a polyimide foam, or the like.

The concave ridge portion 6 is formed by opposing inwardly bent pieces 8, 8, which are formed by bending both surface plates 2, 3 toward the inside of the panel body 5 in a substantially crank shape,
A position near the opening side of the concave ridge 6 of the inwardly bent piece 8 (the convex ridge 7
Is located at the side contact surface position) with the engagement recess 9 having a semicircular cross section.
Are provided along the concave ridges 6. A reinforcing piece 10 that protrudes into the heat insulating core 4 is bent at the tip of the inwardly bent piece 8. In this case, the two reinforcing pieces 10 are provided apart from each other for heat insulation.

On the other hand, the ridges 7 are formed by facing the outwardly bent pieces 11, 11, which bend the both surface plates 2, 3 in a substantially L-shape toward the outside of the panel body 5. ing. The tip of the outwardly bent piece 11 is inclined to form a tapered surface, and a reinforcing piece 12 is bent at the tip of the piece toward the inside of the panel body 5. In this case, the reinforcing pieces 12 are provided apart from each other for heat insulation. In the middle of the outwardly bent piece 11, a semicircular arc-shaped engaging recess 9 which matches the engaging recess 9 is provided.
a is provided along the ridge 7. Locking projections 13 are attached to the engaging recesses 9a at appropriate intervals. The locking projection 13 has a cylindrical head 13a that can be engaged with the engaging ridge 9 provided on the concave ridge 6, and the convex ridge 7 that is bent from both ends of the head 13a. It is formed in a U-shape composed of a pair of leg portions 13b driven into the surface plates 2, 3 and the heat insulating core material 4. The locking projection 13 configured as described above can be attached to an appropriate position of the engaging groove 9 of the ridge 7 using a driving machine such as a rivet or a stapler driving machine.

Next, the case where the panels 1 configured as described above are connected will be described. When connecting the panels 1 in the horizontal direction, a synthetic rubber plate-like packing 14 is interposed between the concave ridges 6 and the convex ridges 7 of the adjacent panels 1 as shown in FIGS. When engaged, the head 13a of the locking projection 13 snap-engages with the engaging ridge 9 provided in the concave portion 6, so that the operator can perform both panel 1 at this point.
Can be confirmed. In this manner, by connecting a predetermined number of panels 1 and holding the upper end and the lower end of each panel 1 with the upper frame member 15 and the lower frame member 16, respectively, it is possible to assemble the side wall of a warehouse or the like. it can. The joints between the panels 1 are filled with, for example, a silicon-based caulking material 17 as necessary.

When the panels 1 are vertically stacked and connected, the ridges 7 of the panel 1 to be connected from above are fitted into the ridges 7 after the ridges 7 of the panel 1 are set upward. So that the engagement recesses 9 and the locking projections 1
3 may be engaged. In this case, the left and right side edges of the panel 1 are held by channel-shaped guide frames (not shown), so that the connected state of the panel 1 can be maintained.

Second Embodiment In the first embodiment, the case where the bottom of the concave ridge 6 and the tip of the convex ridge 7 are flat has been described. It is not always necessary to adopt such a form, and the bottom of the concave ridge 6 and the tip of the convex 7 may be formed in an inclined shape.

That is, as shown in FIG. 4, an inwardly bent piece 8 bent from one surface plate 2 constituting the concave ridge portion 6.
a is provided outside (in FIG. 4, below) the inwardly bent piece 8b bent from the other front plate 3 (back plate). Further, the outwardly bent piece 11a bent from one surface plate 2 constituting the ridge portion 7 is connected to the other surface plate 3
The protrusions 7 and the recesses 6 are formed so as to be fitted to each other (in the lower side in FIG. 4) from the outward bent pieces 11b bent from the (back plate).

The inwardly bent pieces 8a and 8b serving as side contact surfaces with the ridges 7 in the concave ridges 6 and the outwardly bent pieces 11a and 11b of the corresponding ridges 7 correspond to the above-mentioned pieces. As in the first embodiment, each of the engagement recesses 9, 9 each having a semicircular arc shape is formed.
a is provided, and the engagement recess 9 provided on the projection 7 is provided.
A locking projection 13 is attached to "a" at an appropriate interval.

A cover portion 18 extending from the surface plate 2 is formed on the surface plate side of the inwardly bent piece 8a bent from the one surface plate 2. On the surface plate side of the outwardly bent piece 11a bent from
A step 19 that engages inside the cover 18 is provided. In addition, a reinforcing piece 20 that is double-folded outward is provided at the tip of the inwardly bending pieces 8a and 8b,
Further, a reinforcing piece 12 is formed at the distal ends of the outwardly bent pieces 11a and 11b in the same manner as in the first embodiment.
As described above, these reinforcing pieces 12 and 20 are provided apart from each other to improve heat insulation.

Next, the case where the panels 1 configured as described above are connected will be described. When the panels 1 are vertically stacked and connected, as shown in FIG. 4, the lower panel 1 is arranged along the wall base material 22 and nails 21 are driven in from outside the ridges 7. Then, the panel 1 is fixed. Next, the concave ridges 6 of the panel 1 to be connected with the hollow packing 14a interposed are fitted into the convex ridges 7 of the lower panel 1, and the engagement concave ridges 9 provided in the concave ridges 6 are provided. , The panel 1 is connected vertically. At this time, the cover 18 of the upper panel 1 engages with the step 19 of the lower panel 1 to prevent the head 21a of the nail 21 from being exposed to the outside. Further, the joint between the panels 1 is filled with the caulking material 17 as needed. Similarly, the panels 1 can be connected to each other by fixing the ridges 7 of the panels 1 stacked on the wall base material 22 with the nails 21 and then sequentially stacking the panels 1 upward.

As described above, the bottom of the concave ridge 6 and the convex ridge 7
By connecting the panel 1 by inclining the leading end of the panel 1 and fitting the concave ridge 6 and the convex ridge 7 so that the outside becomes lower, it is possible to prevent rainwater and the like from entering the inside from the outside. it can.

Third Embodiment FIG. 5 is a sectional view of a third embodiment of the panel connecting structure of the present invention.

In the third embodiment, a concave strip 6 and a convex strip 7 are juxtaposed at the side end of one panel 1 to connect the panels. In other words, the distal end of the inwardly bent piece 8a bent from one surface plate 2 formed in the same manner as in the second embodiment is bent outward to provide an outwardly bent piece 11c to form the concave strip 6 To form the outwardly bent piece 1
1c and the outwardly bent piece 11d bent from the other front surface plate 3 (back surface plate) are opposed to each other to form the auxiliary convex portion 7a. Further, similarly to the second embodiment, the tip of the outwardly bent piece 11a bent from one surface plate 2 is bent inward to provide an inwardly bent piece 8c to form the protruding strip 7. ,
The inwardly bent piece 8c and the inwardly bent piece 8d bent from the other front plate 3 (back plate) face each other to form an auxiliary concave ridge 6a that can be fitted to the auxiliary convex ridge 7a. .

The inwardly bent piece 8 constituting the concave ridge portion 6
a is provided with an engaging concave streak 9, and a locking projection 13 is attached to the outwardly bent piece 11 a constituting the convex streak 7 at an appropriate interval as in the second embodiment. . Reinforcing pieces 23 are bent inward at the distal ends of the outwardly bent pieces 11c and 11d constituting the auxiliary convex ridges 7a, so that the inwardly bent pieces 8c constituting the auxiliary concave ridges 6a are formed. , 8d, a reinforcing piece 24 is bent inward.

When connecting the panels constructed as described above, as in the second embodiment, first, the panel 1 located at the lower stage is arranged along the wall base material 22 and the ridges 7 are formed.
The panel 1 is fixed by driving in the nail 21 from outside. Next, a hollow packing 1 is provided between the concave ridges 6 and the convex ridges 7.
4a, and the concave ridge 6 of the panel 1 which is connected to the auxiliary concave ridge 6a and the auxiliary convex ridge 7a so as to interpose the plate-like packing 14 therebetween. 7, the auxiliary ridge 7 a is fitted to the auxiliary concave 6 a, and the engaging projection 13 provided on the convex 7 is engaged with the engagement concave 9 provided on the concave 6. Engage to connect the panels together. Then, a caulking material 17 is filled into joints between the panels 1 as needed.

◎ Other Embodiments 1) In the above embodiment, the locking projection 13 has a cylindrical head 13
a has a pair of leg portions 13b at both ends, but it is not always necessary to have such a shape. For example, as shown in FIG. 6, an adhesive (not shown) is formed by a columnar member 13c. 7) may be used to attach to the engaging recess 9a, or, as shown in FIG.
Hemispherical head 13d and leg 1 driven into ridge 7
3e.

2) In the above embodiment, the case where the locking projection 13 is attached to the engaging groove provided on the protruding ridge portion 7 has been described. However, the locking projection 13 is not necessarily attached to the engaging recess 9a. It is not necessary to attach, and for example, as shown in FIG. 7, the locking projection 13 may be directly attached to the ridge 7.

3) In the above embodiment, the case where the locking projection 13 attached to the convex ridge 7 is engaged with the engaging concave shape provided in the concave ridge 6 has been described. It is not necessary to have a structure, and an engaging recess is provided on a side contact surface of the protruding portion 7 with the recessed portion 6, and the locking projection 13 attached to the recessed portion 6 is engaged with the engaging recessed portion. You may make it match.

[0030]

As described above, according to the present invention, the following effects can be obtained because of the configuration described above.

According to a first aspect of the present invention, there is provided a sandwich panel connecting structure, wherein one of a concave ridge provided on a side edge of the panel body and a lateral contact surface of the convex ridge is provided with an engaging concave ridge. And the other is provided with locking projections for engaging with the engaging concave strips at appropriate intervals, so that the positioning when connecting the panels can be ensured, and the panels can be easily connected. As a result, the efficiency of panel assembly work can be increased.

2) According to the sandwich panel connecting structure of the second aspect, the engaging concave portion is provided at a position where the side contact surface of the concave ridge portion and the convex ridge portion coincides with each other. Since the locking projections that engage with the other engaging recesses are attached at appropriate intervals, the mounting of the locking projections in addition to the above 1) can be easily and reliably performed.

According to the third aspect of the present invention, the locking projection is made to strike the locking head engaging with the engaging groove and the concave or convex portion of the surface plate. Since the legs to be inserted are integrally formed, the legs can be securely inserted by driving the legs into the concave or convex ridges of the surface plate.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cross section of a part of a sandwich panel according to the present invention.

FIG. 2 is a perspective view showing a connection state of the first embodiment of the present invention.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view showing a connection state of the second embodiment of the present invention.

FIG. 5 is a sectional view showing a connection state of a third embodiment of the present invention.

FIG. 6 is a perspective view showing another attachment state of the locking projection according to the present invention.

FIG. 7 is a perspective view showing still another attachment state of the locking projection according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sandwich panel 2, 3 Surface plate 4 Heat-insulating core material 5 Panel main body 6 Concave ridge 6a Auxiliary concave ridge 7 Convex ridge 7a Auxiliary convex ridge 9, 9a Engagement dent 13 Locking protrusion 13a Column-shaped head 13b Leg 13c Column-shaped member 13d Semi-spherical head 13e Leg

Claims (3)

(57) [Claims] 1. A panel body formed by filling a heat insulating core material between a pair of surface plates, and a concave ridge portion and a convex ridge portion formed by bending the surface plate are provided on both side edges of the panel body. In the connection structure of the sandwich panel in which the ridge and the ridge are fitted, any one of the side contact surfaces of the ridge and the ridge,
In addition to the provision of the engagement recesses, the other side is provided with locking projections for engaging with the engagement recesses at appropriate intervals, and the recesses and the projections of the adjacent panels are fitted together. A connection structure for a sandwich panel, wherein both the panels are connected by engaging a concave groove and a locking projection. 2. An engaging projection which is provided at a position where a side contact surface between a concave ridge and a convex ridge coincides with each other, and which engages with one engaging concave within the other engaging concave. 2. The device according to claim 1, wherein
Connection structure of the sandwich panel described. 3. The locking projection is formed by integrally forming a locking head engaged with the engaging groove and a leg driven into the concave or convex portion of the surface plate. The sandwich panel connecting structure according to claim 1 or 2, wherein: